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Great to have extra resources for Service Manuals, Now days you can really not trouble shoot efficiently without one , Wayne at IRIONS TV & ELECTRONICS REPAIR Clearwater , Fl. 33755 727-446-7955
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For five bucks you can barely buy a hamburger. Or for the same five bucks you can buy a service manual. Much more useful. (and better for your health, depending on where you buy your hamburgers).
Yes, there are free manual sites out there, but if they don't have what you want, you have to pay.
And five bucks isn't much. Not for full specs, schematics and adjustment and parts replacement procedures.
My only criticism is that grayscale illustrations aren't well rendered, but I've seen worse.
Schematics and text are clear.
I'll be happy to purchase from here again.
Mike
[email protected]
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Impressively thorough. Even the simple operators manual helped me "fix" one of the 2 CD players in the unit. This unit reads CD's from the top so they should be installed in the magazines "upside down" from typical CD players. The CD player service manual helped me unjam a stuck carriage because somebody transported the box laying down loaded with CD's. A little lens cleaning & the player now works well! Thanks for you help at a great price! Joe
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I was skeptical at first but later found the manual to be good quality for the price. It took a couple hours to receive the email with the download link, well worth the wait. Thanks.
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very helpful, I could not have cleaned motherboard and replaced the main fan without it
Protection Error (Error 2):
Once every main loop (approximately 200ms OSD mode, 50ms text or menu mode), the micro checks the protection pin (pin 66). If the protection pin is high 6 successive times, a protection error is diagnosed. The protection pin is not checked during the first 3 - 4 seconds after AC on. If this error is diagnosed, the respective NVM register will be updated and the set goes straight into diagnostic standby with 2 flashes - no reset is attempted.
AKB Error (Error 5):
Once every main loop the micro checks the AKB stability by reading the IKR return from the Jungle IC. IKR=1 means that the AKB is stable, IKR=0 means that the AKB is unstable. If the AKB status is unstable for 10 seconds, an AKB error is diagnosed. AKB stability is not checked during the first 20 seconds after AC switch on. If this error is diagnosed, the respective NVM register will be updated and the response LED will flash 5 times continually, but the set will not go into standby mode. If the AKB status becomes stable, and remains stable for 10 seconds, the LED will stop flashing.
Time / seconds
0 10 20 30 40 50 60 70 80 90 100
IKR Return
A B C D E F
A. B. C. D. E. F.
IKR Return first goes high after 12 seconds. Micro begins checking IKR Return status 20 seconds after power on. Micro detects IKR return = 0. Micro detects that IKR has been 0 for 10 seconds; NVM counter is incremented and the LED starts flashing (flashes 5 times, off for 2 seconds, flashes 5 times, etc. Micro detects that IKR=1; LED continues to flash. Micro detects that IKR has been high for 10 seconds; LED stops flashing.
Startup Diagnostic Errors (Errors 6-18, 27, 29-32):
NVM 6 7 8 9 10 11 12 13 14 16 18 27 29 30 31 32 Error Description SCL pin low SDA pin low Both SCL and the SDA pins are low No acknowledge from the jungle (CXA2076) No acknowledge from the video switch (CXA2040) No acknowledge from the tuner No acknowledge from the MSP No acknowledge from the NVM No acknowledge from the CXA2089 video switch (DS20 & DX20) No acknowledge from the CXA1875 video Port Expander (DS20 & DX20) No acknowledge from the Dynamic Convergence (CXA8070) M3L_TXD pin low after Compact Text RAM test. M3L_TXD pin low M3L_RXD pin low M3LEN pin low Compact Text RAM test fail
If any of these errors are detected, the respective NVM register will be incremented. The software will then carry on with the power up sequence.
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